Adjustable manual abrasive sharpener



FIG. 1 is a front perspective view of the design for the adjustable manual abrasive sharpener of the invention;

FIG. 2 is a rear perspective view of the design for the adjustable manual abrasive sharpener of the invention;

FIG. 3 is a right side elevational view, viewing FIG. 1, of the adjustable manual abrasive sharpener of FIG. 1;

FIG. 4 is a top plan view of the adjustable manual abrasive sharpener of FIG. 1;

FIG. 5 is a front elevational view of the adjustable manual abrasive sharpener of FIG. 1;

FIG. 6 is a rear elevational view of the adjustable manual abrasive sharpener of FIG. 1; and,

FIG. 7 is a bottom plan view of the adjustable manual abrasive sharpener of FIG. 1. 

CLAIM The ornamental design for an adjustable manual abrasive sharpener, as shown and described. 